java简易餐馆订单系统
package chihuoxitong;
import java.util.Scanner;
public class index {
public static void main(String[] args) {
// TODO Auto-generated method stub
String[] names=new String[4]; //点单人员名单
String[] dishMegs=new String[4]; //选择菜品信息
int[] times=new int[4]; //订单时间
String[] addresses=new String[4]; //送餐地址
int[] states=new int[4]; //订单状态
double[] sumPrices=new double[4]; //总金额
String[] dishNames= {"红烧带鱼","鱼香肉丝","时令鲜蔬"}; //菜品名称
double[] prices=new double[] {38.0,20.0,10.0}; //菜品单价
int[]praiseNums=new int[3]; //点赞数
names[0]="张三"; //存储订单，调试
dishMegs[0]="鱼香肉丝两份";
times[0]=14;
addresses[0]="学院";
sumPrices[0]=61.7;
states[0]=1;
Scanner input=new Scanner(System.in);
int num=-1;
boolean isExit=false;
System.out.println("欢迎使用使用吃货联盟订餐系统");
do {
System.out.println(“");
System.out.println(“1 我要订餐”);
System.out.println(“2 查看餐带”);
System.out.println(“3 签收订单”);
System.out.println(“4 删除订单”);
System.out.println(“5 我要点赞”);
System.out.println(“6 退出”);
System.out.println("”);
System.out.println(“请选择”);
String chose=input.next();
while(!(“1”.equals(chose)||“2”.equals(chose)||“3”.equals(chose)||“4”.equals(chose)||“5”.equals(chose)||“6”.equals(chose))) {
System.out.println("输入有误请重新输入");
chose=input.next();
}
int choose =Integer.parseInt(chose);//避免输入非法字符导致程序异常
switch (choose) {
case 1://点餐功能
System.out.println("****点餐****");
for(int i=0;i<names.length;i++) {
if(names[i]==null) {
System.out.println("请输入姓名");
String name=input.next();//保存点单人员
System.out.println("序号"+"\t"+"菜名"+"\t"+"\t"+"价格"+"\t"+"点赞");
for(int j=0;j<dishNames.length;j++)
{
System.out.println((j+1)+"\t"+dishNames[j]+"\t"+"\t"+prices[j]+"\t"+praiseNums[j]); //菜单列表
}
System.out.println("请选择你想要的菜品的序号");
int dishMeg=0;
do{
if(input.hasNextInt()) {
dishMeg=input.nextInt();
break;
}else {
input.next();
System.out.println("输入错误，请重新输入");
}
}while(true);
while (dishMeg<1||dishMeg>3) {
System.out.println("菜品序号有误，请重新输入");
dishMeg=input.nextInt();
}
System.out.println("请选择份数");
int timees=0;
do{
if(input.hasNextInt()) {
timees=input.nextInt();
break;
}else {
input.next();
System.out.println("输入错误，请重新输入");
}
}while(true);
System.out.println("请您在10:00到20:00选择一个整点送餐");
int time=0;
do{
if(input.hasNextInt()) {
time=input.nextInt();
break;
}else {
input.next();
System.out.println("输入错误，请重新输入");
}
}while(true);
while (time<10||time>20) {
System.out.println("时间有误，请重新输入");
time=input.nextInt();
}
System.out.println("请输入送餐地址");
String address=input.next();
double price =prices[dishMeg-1]*timees;
double exprice=prices[dishMeg-1]*timees>50?0:5;
//显示点单信息
System.out.println("点餐成功");
System.out.print("您定的是："+dishNames[dishMeg-1]+ "\n"+"送餐时间："+time +"\n"+"送餐地点："+address +"\n"+"餐费："+ price+"\n"+"送餐费："+exprice +"\n"+"总费用："+(price+exprice) +"\n");
names[i]=name;
dishMegs[i]=dishNames[i]+timees+"份";
times[i]=time;
addresses[i]=address;
sumPrices[i]=price+exprice;
states [i] =0; //保存订单信息
break;
}else if (names[names.length-1]!=null) {
System.out.println("餐袋已满");
}
}
break;
case 2://查看餐袋
System.out.println("****查看餐袋****");
System.out.println("单号"+"\t"+"订餐人"+"\t"+"餐品信息"+"\t"+"\t"+"送餐时间"+"\t"+"送餐地址"+"\t"+"总金额"+"\t"+"订单状态");
for(int i=0;i<names.length;i++){
if(names[i]!=null) {
System.out.println((i+1)+"\t"+names[i]+"\t"+ dishMegs[i]+"\t"+times[i]+"\t"+addresses[i]+"\t"+sumPrices[i]+"\t"+states[i]);
}else if(names[0]==null) {
System.out.println("没有订单信息");
break;
}
}
break;
case 3://签收订单
System.out.println("****签收****");
System.out.println("请选择要签收的单号");
System.out.println("单号"+"\t"+"订餐人"+"\t"+"餐品信息"+"\t"+"\t"+"送餐时间"+"\t"+"送餐地址"+"\t"+"总金额"+"\t"+"订单状态");
for(int i=0;i<names.length;i++){
if(names[i]!=null) {
System.out.println((i+1)+"\t"+names[i]+"\t"+ dishMegs[i]+"\t"+times[i]+"\t"+addresses[i]+"\t"+sumPrices[i]+"\t"+states[i]);
}else if(names[0]==null){
System.out.println("目前没有订单信息");
break;
}
}
int s;
do{
if(input.hasNextInt()) {
s=input.nextInt();
break;
}else {
input.next();
System.out.println("输入错误，请重新输入");
}
}while(true);
if( states [s-1] ==0&&names[s-1]!=null) {
states[s-1]=1;
System.out.println("订单签收成功");
}else if(states [s-1] ==1&&names[s-1]!=null){
System.out.println("订单已经签收，不能再次签收");
}else {
System.out.println("订单不存在，不可签收");
}
break;
case 4://删除订单
System.out.println("****删除订单****");
System.out.println("请输入要删除的订单号");
System.out.println("单号"+"\t"+"订餐人"+"\t"+"餐品信息"+"\t"+"\t"+"送餐时间"+"\t"+"送餐地址"+"\t"+"总金额"+"\t"+"订单状态");
for(int i=0;i<names.length;i++){
if(names[i]!=null) {
System.out.println((i+1)+"\t"+names[i]+"\t"+ dishMegs[i]+"\t"+times[i]+"\t"+addresses[i]+"\t"+sumPrices[i]+"\t"+states[i]);
}else if(names[0]==null) {
System.out.println("没有订单信息");
break;
}
}
int Order=0;
do{
if(input.hasNextInt()) {
Order=input.nextInt();
break;
}else {
input.next();
System.out.println("输入错误，请重新输入");
}
}while(true);
for(int i=1;i<=names.length;i++) {
if(Order==i&&states [i-1] ==1&&names[i-1]!=null) {
for(int j=Order-1;j<names.length-1;j++) {
names[j]=names[j+1];
dishMegs[j]= dishMegs[j+1];
times[j]=times[j+1];
addresses[j]=addresses[j+1];
sumPrices[j]=sumPrices[j+1];
states[j]= states[j+1];
}
names[names.length-1]=null;
dishMegs[names.length-1]= null;
times[names.length-1]=0;
addresses[names.length-1]=null;
sumPrices[names.length-1]=0;
states[names.length-1]= 0;
System.out.println("删除订单成功");
break;
}else if (Order==i&&states [i-1] ==0&&names[i-1]!=null) {
System.out.println("订单未签收，不能删除！");
break;
}else {
System.out.println("单号信息错误");
break;
}
}
break;
case 5://点赞
System.out.println("****点赞系统****");
System.out.println("此功能需要对用户信息进行确认，请输入您的名字");
boolean a=false;
String message=input.next();
for (int i = 0; i < names.length; i++) {
if (message.equals(names[i])) {
System.out.println("验证成功，您可以继续操作");
a=true;
}
}
if(!a) {
System.out.println("信息错误，将退出此功能");
break;
}
System.out.println("序号"+"\t"+"菜名"+"\t"+"价格"+"\t"+"点赞");
for(int j=0;j<dishNames.length;j++)
{
System.out.println((j+1)+"\t"+dishNames[j]+"\t"+prices[j]+"\t"+praiseNums[j]); //菜单列表
}
System.out.println("请输入你想要的点赞的菜品");
int puls=0;
do{
if(input.hasNextInt()) {
puls=input.nextInt();
break;
}else {
input.next();
System.out.println("输入错误，请重新输入");
}
}while(true);
for(int i=0;i<dishNames.length;i++) {
if(dishNames[puls-1]==dishNames[i]) {
praiseNums[i]=praiseNums[i]+1;
System.out.println("点赞成功");
break;
}
}
break;
case 6:
System.out.println("退出功能");
isExit=true;
break;
default:
break;
}
if(!isExit) {
System.out.println("输入0返回");
String chart=input.next();
while(!"0".equals(chart)) {
System.out.println("只有输入0才能返回哦！");
chart=input.next();
}
num=Integer.parseInt(chart);
}else {
break;
}
}while(num==0);
input.close();
}
}
本文地址：https://blog.csdn.net/wolailxiaotan/article/details/109572718
